United Scientific Supplies Glass Lens Set
Lenses in all sets have focal lengths on 150 mm
Manufacturer: United Scientific Supplies DEMO38
DescriptionThe set contains six glass lenses, one each of double convex, plano-convex,concavo-convex, double concave, plano-concave, and convexo-concave lens. Comes in a reusable cardboard storage box. Lenses in all sets have focal lengths on 150 mm.
|concave and convex|